.page-faq {
  --faq-border: rgba(143, 179, 198, 0.16);
  --faq-panel: rgba(18, 60, 92, 0.42);
  --faq-panel-deep: rgba(7, 26, 43, 0.72);
  --faq-line: rgba(47, 227, 208, 0.22);
  position: relative;
  background:
    radial-gradient(90% 46% at 84% -6%, rgba(47, 227, 208, 0.10), transparent 62%),
    radial-gradient(72% 44% at -4% 34%, rgba(123, 209, 255, 0.07), transparent 60%),
    linear-gradient(180deg, #071a2b 0%, #061521 58%, #071a2b 100%);
  color: var(--foam);
  padding: 26px 0 0;
  overflow-x: hidden;
}

.page-faq .content-wrap {
  position: relative;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 8px 0 42px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 7.4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--foam);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero__hint {
  margin-top: 24px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(18, 60, 92, 0.6), rgba(7, 26, 43, 0.5));
  border: 1px solid var(--faq-border);
  border-left: 3px solid var(--cyan);
}

.page-faq .faq-hero__hint-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--amber);
  padding-top: 2px;
}

.page-faq .faq-hero__hint p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__figure {
  margin: 0;
  width: 100%;
  max-width: 400px;
}

.page-faq .figure-frame img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 区块小标题 ---------- */

.page-faq .faq-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-bottom: 22px;
}

.page-faq .faq-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 5vw, 34px);
  letter-spacing: -0.01em;
  color: var(--foam);
}

.page-faq .faq-head__note {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 先看这三条 ---------- */

.page-faq .faq-fast {
  padding: 6px 0 46px;
}

.page-faq .fast-grid {
  display: grid;
  gap: 16px;
}

.page-faq .fast-card {
  position: relative;
  padding: 24px 22px 24px 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(152deg, rgba(18, 60, 92, 0.72), rgba(7, 26, 43, 0.88));
  border: 1px solid var(--faq-border);
  overflow: hidden;
}

.page-faq .fast-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: linear-gradient(180deg, var(--cyan), rgba(47, 227, 208, 0.05));
}

.page-faq .fast-card__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .fast-card__title {
  margin: 10px 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.35;
  color: var(--foam);
}

.page-faq .fast-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-block {
  padding: 0 0 18px;
}

.page-faq .faq-group {
  border-radius: var(--radius-xl);
  background: linear-gradient(163deg, rgba(12, 42, 68, 0.62), rgba(7, 26, 43, 0.82));
  border: 1px solid var(--faq-border);
  overflow: hidden;
}

.page-faq .faq-group + .faq-group {
  margin-top: 16px;
}

.page-faq .faq-group__head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}

.page-faq .faq-group__head::-webkit-details-marker {
  display: none;
}

.page-faq .faq-group__head:hover {
  background: rgba(47, 227, 208, 0.05);
}

.page-faq .faq-group__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 4.6vw, 31px);
  line-height: 1.2;
  letter-spacing: -0.012em;
  color: var(--foam);
}

.page-faq .faq-group__side {
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  white-space: nowrap;
}

.page-faq .faq-group__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 0 14px 16px;
}

/* ---------- 单条问题 ---------- */

.page-faq .qa {
  position: relative;
  border-radius: var(--radius-md);
  background: rgba(7, 26, 43, 0.66);
  border: 1px solid var(--faq-border);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--cyan);
  opacity: 0.45;
  transition: top var(--dur) var(--ease), bottom var(--dur) var(--ease),
    width var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .qa[open] {
  background: rgba(18, 60, 92, 0.62);
  border-color: rgba(47, 227, 208, 0.42);
}

.page-faq .qa[open]::before {
  top: 0;
  bottom: 0;
  width: 4px;
  opacity: 1;
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px 15px 20px;
  cursor: pointer;
  list-style: none;
}

.page-faq .qa__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa__mark {
  flex: none;
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1px solid var(--faq-line);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .qa__mark::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .qa__mark::after {
  width: 1.5px;
  height: 9px;
}

.page-faq .qa[open] .qa__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .qa__q-text {
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--foam);
}

.page-faq .qa__a {
  padding: 0 20px 18px 52px;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .qa__a p + p {
  margin-top: 10px;
}

.page-faq .qa[open] .qa__a {
  animation: faq-fade 240ms var(--ease) both;
}

@keyframes faq-fade {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 移动端使用 ---------- */

.page-faq .faq-mobile {
  padding: 0 0 24px;
}

.page-faq .faq-mobile__grid {
  display: grid;
  gap: 22px;
  align-items: start;
}

.page-faq .faq-mobile__figure {
  margin: 0;
  max-width: 340px;
}

/* ---------- 还没解决 ---------- */

.page-faq .faq-contact {
  padding: 26px 0 72px;
}

.page-faq .faq-contact__panel {
  position: relative;
  display: grid;
  gap: 26px;
  padding: 30px 24px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(47, 227, 208, 0.14), transparent 58%),
    linear-gradient(150deg, rgba(18, 60, 92, 0.78), rgba(7, 26, 43, 0.92));
  border: 1px solid var(--faq-line);
  overflow: hidden;
}

.page-faq .faq-contact__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 5.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--foam);
}

.page-faq .faq-contact__lead {
  margin: 16px 0 0;
  max-width: 32em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-contact__sub {
  margin: 20px 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--foam);
}

.page-faq .faq-contact__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-contact__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-contact__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 8px;
  height: 1.5px;
  background: var(--cyan);
}

.page-faq .faq-contact__dl {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-border);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-faq .faq-contact__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--foam);
}

.page-faq .faq-contact__btn {
  margin-top: 22px;
  width: 100%;
  justify-content: center;
}

.page-faq .faq-contact__more {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq {
    padding-top: 34px;
  }

  .page-faq .fast-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-group__head {
    padding: 24px 26px;
  }

  .page-faq .faq-group__body {
    padding: 0 20px 20px;
    gap: 12px;
  }

  .page-faq .qa__q {
    padding: 17px 22px 17px 24px;
  }

  .page-faq .qa__a {
    padding: 0 26px 20px 56px;
  }

  .page-faq .faq-contact__panel {
    padding: 38px 34px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-contact__panel {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: 40px;
  }

  .page-faq .faq-contact__btn {
    width: auto;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 14px 0 58px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: 52px;
    align-items: center;
  }

  .page-faq .faq-hero__figure {
    max-width: 430px;
    justify-self: end;
  }

  .page-faq .faq-group__head {
    padding-right: 66px;
  }

  .page-faq .faq-group__side {
    position: absolute;
    right: 24px;
    top: 50%;
    margin-left: 0;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    letter-spacing: 0.22em;
  }

  .page-faq .faq-mobile__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 0.78fr);
    gap: 36px;
  }

  .page-faq .faq-mobile__figure {
    max-width: 360px;
    justify-self: end;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__grid {
    gap: 64px;
  }

  .page-faq .fast-grid {
    gap: 22px;
  }
}
<<<END>>>